Originally Posted by Ancarius

If you compare 5 or or 6 Star Characters you can practically ignore stats since they are defined by their their abilities and skills.

I have to agree. Stat-wise, Mirabilis is much worse even than Calla (ordered by ATK, she was actually placed right next to Calla in my list, both level 30 but Mirabilis evolved.) But her passives make her interesting enough to level up anyway, even if it's just to see how she fares.